<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>SVG的滤镜效果-模糊效果</title>
    <style>
      body {
        margin: 0;
        padding: 0;
      }
    </style>
  </head>
  <body>
    <svg width="200" height="200" xmlns="http://www.w3.org/2000/svg">
      <defs>
        <!-- 高斯模糊的 效果 -->
        <filter id="blurFilter">
          <!--  ......  -->
          <feGaussianBlur stdDeviation="8"></feGaussianBlur>
        </filter>
      </defs>
      <image
        href="../images/avatar.jpeg"
        width="200"
        height="200"
        filter="url(#blurFilter)"
      ></image>
    </svg>
  </body>
</html>
